An ammonia leak caused a fire at the Hod Hefer factory in the Emek Hefer industrial zone on Tuesday closed two highways, Israel Police reported Tuesday. A group of 10 firefighters were called to the scene to handle the incident. Route 4 was closed to traffic in both directions from the Haroeh interchange, in the north, to the Highway 9 interchange in the south. It is still unknown if any people were injured as a result of the leak. According to Israel Radio, this is the second time in the past five months that there has been an ammonia leak at the factory.